public bool IsReal()
{
return(Checksum == string.Concat(EncryptedName
.Replace("-", "")
.GroupBy(c => c)
.OrderByDescending(g => g.Count())
.ThenBy(g => g.Key)
.Select(g => g.Key)
.Take(5)));
}
public bool MatchesChecksum()
{
var cleaned = EncryptedName.Replace("-", "");
var ordered = String.Concat(cleaned.OrderBy(c => c));
var commons = ordered.GroupBy(x => x).OrderByDescending(x => x.Count()).Take(5);
var calculated = string.Format("[{0}]", string.Concat(commons.Select(x => x.Key)));
return(calculated == Checksum);
}
public bool IsReal()
{
var chars = EncryptedName.
Replace("-", "").
GroupBy(c => c).
OrderByDescending(g => g.Count()).
ThenBy(g => g.Key).
Select(g => g.Key).
Take(5).
ToArray();
var actualChecksum = new string(chars);
var roomIsReal = actualChecksum == Checksum;
return(roomIsReal);
}
private string GenerateHash()
{
var dictionary = new Dictionary <char, int>();
foreach (var c in EncryptedName.Replace("-", ""))
{
if (dictionary.ContainsKey(c))
{
dictionary[c]++;
}
else
{
dictionary.Add(c, 1);
}
}
dictionary = dictionary.OrderByDescending(x => x.Value).ThenBy(x => x.Key)
.ToDictionary(x => x.Key, x => x.Value);
var ret = string.Join("", dictionary.Keys).Substring(0, 5);
return(ret);
}
public RoomRecord(string rawText)
{
FullText = rawText.Trim();
var parts = FullText.Split('-');
EncryptedName = string.Join('-', parts.Take(parts.Length - 1));
var suffix = parts.Last();
var suffixParts = suffix.Split('[');
RawSectorId = suffixParts[0];
Checksum = suffixParts[1].TrimEnd(']');
SectorId = int.Parse(RawSectorId);
var letters = EncryptedName.Replace("-", "");
var letterCounts = new Dictionary <char, int>();
foreach (var l in letters)
{
if (!letterCounts.ContainsKey(l))
{
letterCounts[l] = 0;
}
letterCounts[l] = 1 + letterCounts[l];
}
RealChecksum = new string(
letterCounts
.OrderByDescending(x => x.Value)
.ThenBy(x => x.Key)
.Select(x => x.Key)
.ToArray()
)
.Substring(0, 5);
IsReal = RealChecksum == Checksum;
RealName = IsReal ? Decrypt() : null;
}